Check out this cool science fair project idea to explore the relation between onions and eyes and how to prevent eyes from tearing while cutting an onion.

This project examines the affect of temperature on viscosity and surface tension of different liquids.

This science fair project will help learners determine whether algae can be made to grow by feeding it supplementary carbon dioxide.

Bake some cookies with an oven that collects sunlight and traps the shorter wavelengths (heat!).

Look for a correlation between temperature and the intensity of cricket chirping. Measure ambient temperature and sound intensity in decibels.

Check out this cool middle school science fair project idea to determine if shopping carts are really carriers of harmful bacteria.

Determine which environment keeps an ice cube frozen for the longest duration. Inspect and record your observations when cubes melt.

Science fair project that examines how yeast grows, and which conditions allow for optimal growth. What types of nutrients does yeast prefer?

Read on this high school science fair project idea to get basic information on the process of heat transfer and the conditions under which the transfer occurs.

Determine whether the application of Febreeze will lower the bacterial count.

Construct calorimeter and determine the caloric value of a sample of foods by change in temperature for each of the foods.

This science fair project idea focuses on saturated and unsaturated lipids (fats and oils).